4145557051 has 8 divisors (see below), whose sum is σ = 4163047200. Its totient is φ = 4128102720.

The previous prime is 4145557037. The next prime is 4145557079. The reversal of 4145557051 is 1507555414.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4145557051 - 2¹⁹ = 4145032763 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4145557051.

It is not an unprimeable number, because it can be changed into a prime (4145587051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237015 + ... + 253903.

It is an arithmetic number, because the mean of its divisors is an integer number (520380900).

Almost surely, 2^4145557051 is an apocalyptic number.

4145557051 is a deficient number, since it is larger than the sum of its proper divisors (17490149).

4145557051 is a wasteful number, since it uses less digits than its factorization.

4145557051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17909.

The product of its (nonzero) digits is 70000, while the sum is 37.

The square root of 4145557051 is about 64386.0004271115. Note that the first 3 decimals coincide. The cubic root of 4145557051 is about 1606.4268908713.

The spelling of 4145557051 in words is "four billion, one hundred forty-five million, five hundred fifty-seven thousand, fifty-one".